lumbar spine 3d model

create an anatomical Lumbar and sacrum spine from L1 level to sacrum, exclude pelvis in white color with intervertebral disc in light blue color model. Also create the spinal canal and foramen with nerve roots in yellow color exiting each foramen both side in each levels. At the L4-L5 levels please make it spondylolisthesis L4 over L5 Myerding grade 2 with intervertebral disc at L4-5 levels mild posterior protrude create bilateral foraminal stenosis at L4-5 level, impending to compress exiting nerve roots in L4-5 level